Newton vs USPTO
Same instrument, two spec sheets — measured, not claimed.
Newton vs USPTO: common questions
Which is more reliable, Newton or USPTO?
Both are neck-and-neck — Newton and USPTO each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, Newton or USPTO?
Newton has the lower median latency in our checks — Newton responds in 323 ms versus USPTO at 1141 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do Newton and USPTO need an API key?
Neither needs a paid key — Newton is callable with no signup, and USPTO is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Newton and USPTO from the browser?
Only Newton is browser-friendly — it returns CORS headers over HTTPS. USPTO needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Newton and USPTO free for commercial use?
Newton has unclear commercial terms, and USPTO has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.